The statement (in words) for (12a+7+2b) - x = 10 is:

Sum of 12a, 7 and 2b decreased by x equals 10.

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Sum of 12a, 7 and 2b subtracted from x equals 10.

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x decreased by a sum of 12a, 7 and 2b equals 10.

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x increased by a sum of 12a, 7 and 2b equals 10.

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Solution

The correct option is A
Sum of 12a, 7 and 2b decreased by x equals 10.

‘ $12 a + 7 + 2 b$ ’ is read as ‘sum of $12 a$ , $7$ and $2 b$ ’.

So, ‘ $(12 a + 7 + 2 b) - x$ ’ will be read as ‘sum of $12 a$ , $7$ and $2 b$ decreased by $x$ ’. Therefore, ‘ $(12 a + 7 + 2 b) - x = 10$ ’ will be read as ‘sum of $12 a$ , $7$ and $2 b$ decreased by $x$ equals $10$ ’.

Hence, option (a) is the correct answer.

The algebraic form of both option (b) and option (c) is: $x - (12 a + 7 + 2 b) = 10$ and hence, these options are incorrect.

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Similar questions

The statement (in words) for $" (12 a + 7 + 2 b) - x = 10 "$ is:

- 12 a^{2} b^{2} \times 3 a b^{2} \times (- 2 a^{2} b)

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12 a^{2} b - 7 a b^{2} + 10 a b

^{'} 10

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